Lord Siren: On the night of the full moon Subaru, Triton, accidentally saved a man who sank in the ocean. After that, to see this person again, Subaru changed the tail of a couple of legs and went to the surface to find Tatsuki, the name of the person. Despite the pulsating legs and the lost voice, Subaru was happy to stay next to Tatsuki. However, her happiness soon disappeared when she learned the reason why Tatsuki was at the bottom of the ocean that day. Fuji But Yamai (parallel history): Byakuya had an eternal and incurable disease, which means he could not die. Gin, his best friend, gave a promise that he will take care of the harder to death, and the promise was performed for 16 generations. Nevertheless, Jin 16th was not going to make children for the next generation; instead of,